Full TGIF Record # 237487
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Author(s):Ge, Jin-gang; Cai, Qing-sheng; Liu, Guo-hua
Author Affiliation:Ge and Cai: College of Life Sciences, Nanjing Agricultural University, Nanjing; Ge and Liu: Jiangsu Polytechnic College of Agriculture and Forestry, Jurong, China
Title:Response differences to water stress of Festuca arundinacea and Stenotaphrum secundatum
Source:[Caoye Xuebao] [Acta Prataculturae Sinica]. Vol. 13, No. 4, August 20 2004, p. 29-33.
# of Pages:5
Publishing Information:[Lanzhou Shi, China]: ["Cao Ye Xue Bao" Bian Ji Wei Yuan Hui]
Abstract/Contents:"Changes in the plasma membrane permeability, the activity of three kinds of antioxidant enzymes, and the malondialdehyde (MDA) content of leaves and roots under slowly increasing water stress (plant watering stopped after plant coverage reached 95% or above) were studied for the cool-season turfgrass, Festuca arundinacea cv Houndog and warm-season turfgrass, Stenotaphrum secundatum cv Bitter blue grown in pots. The results showed that under water stress, the soil volumetric water content of tall fescue decreased more quickly than that of S. secundatum, and the plasma membrane permeability and MDA content of F. arundinacea had greater increase. SOD, POD and CAT all showed an increase in activity in the early phase after watering was stopped and then a decrease in activity with further increase in water stress, and the activity decrease occurred sooner for F. anundinacea [arundinacea] than S. secundatum. It is suggested that under the same level of water stress, differences in speed of plant water loss affecting the level of cell damage, MDA content, and differences in the times of activity decrease of SOD, POD and CAT, may be an important reason for the differences between the drought resistance mechanisms of the two turfgrasses."
Note:Abstract also appears in English
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Ge, J.-g., Q.-s. Cai, and G.-h. Liu. 2004. Response differences to water stress of Festuca arundinacea and Stenotaphrum secundatum. (In Chinese) [Caoye Xuebao] [Acta Prataculturae Sinica]. 13(4):p. 29-33.
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